The Economist -
14 May 2014 21:04

Out of the black hole A RECENTLY discovered human skull, one of the oldest found in North America, may help explain how that continent was populated. Its owner fell into Hoyo Negro (the Black Hole), a pit within a complex of caves in the Yucatan peninsula in Mexico, between 13,000 and 12,000 years ago. Her skeleton, almost complete, was recovered by divers--rising sea levels since the last ice age have flooded the caves. They were part of a team led by James Chatters, a palaeontologist in Washin...
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